Knowledge Base

CFR Title 40 & Environmental Regulations

17 regulations found

CFR Title 40

State Operating Permit Programs (Title V) — 40 CFR Part 70

Chapter I, Subchapter C — Air Programs

Title V State operating permit programs: minimum program elements, the requirement that all regulated sources hold operating permits assuring compliance with all applicable requirements, fees, and EPA approval/oversight standards.

Effective: Jul 21, 1992
Title V, operating permit
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CFR Title 40

NEPA Implementing Regulations (40 CFR Parts 1500-1508) — Removed from the CFR

Chapter V — Council on Environmental Quality

CEQ's NEPA implementing regulations at 40 CFR Parts 1500-1508 were removed from the CFR effective April 11, 2025 and are now [Reserved]; NEPA (42 U.S.C. 4321 et seq.) remains in force and agencies apply their own NEPA procedures.

Effective: Apr 11, 2025
NEPA, CEQ
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CFR Title 40

NPDES Permit Program — 40 CFR Part 122

Chapter I, Subchapter D — Water Programs

EPA-administered NPDES permit program: basic permitting requirements under Clean Water Act sections 318, 402, and 405, including applications, permit conditions, technology- and water-quality-based limitations, storm water/MS4 coverage, monitoring, and reporting.

Effective: Apr 1, 1983
NPDES, Clean Water Act
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CFR Title 40

EPA Permitting Procedures — 40 CFR Part 124 (Procedures for Decisionmaking)

Chapter I, Subchapter D — Water Programs

Uniform EPA permit processing and public-participation procedures (draft permits, public notice/comment, hearings, response to comments, appeals) with RCRA-, PSD-, and NPDES-specific subparts.

permitting procedures, public notice
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CFR Title 40

Oil Pollution Prevention (SPCC Rule) — 40 CFR Part 112

Chapter I, Subchapter D — Water Programs

Oil Pollution Prevention rule requiring written, implemented SPCC Plans for facilities that could reasonably discharge oil, including plan amendment, qualified-facility provisions, facility-type-specific containment requirements, and facility response plans.

Effective: Dec 11, 1973
SPCC, oil spill prevention
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CFR Title 40

New Source Performance Standards — 40 CFR Part 60

Chapter I, Subchapter C — Air Programs

Clean Air Act section 111(b) standards of performance for new stationary sources: applicability to affected facilities constructed or modified after standard publication, plus source-category subparts and Title V interface.

Effective: Dec 23, 1971
NSPS, new source performance standards
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CFR Title 40

National Contingency Plan — 40 CFR Part 300

Chapter I, Subchapter J — Superfund, Emergency Planning, and Community Right-to-Know Programs

The National Contingency Plan — the operating framework for federal response to oil spills and releases of hazardous substances under CERCLA § 105 and CWA § 311(d): response organization (NRT/RRT/OSC), planning and preparedness, and operational response phases with national response priorities.

Effective: Sep 15, 1994
NCP, National Contingency Plan
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CFR Title 40

Hazardous Substance Designation, Reportable Quantities, and Release Notification — 40 CFR Part 302

Chapter I, Subchapter J — Superfund, Emergency Planning, and Community Right-to-Know Programs

CERCLA hazardous substance designations and reportable quantities, and the § 302.6 duty to immediately notify the National Response Center of releases at or above an RQ in any 24-hour period.

Effective: Apr 4, 1985
reportable quantity, RQ
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Guidance

EPA Construction Stormwater General Permit — Interim Guidance

construction_general_permit_guidance

EPA interim guidance memorandum on construction stormwater best practices — guidance only, not regulation.

Effective: Jun 1, 2025
Clean Water Act, stormwater
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Guidance

Nevada Open Data Portal - Environmental Datasets

open_data_api

Nevada state open data portal with API access to environmental datasets

Nevada, open data
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Guidance

Churchill County Nevada Government - Environmental Records

local_government_records

Local government portal for Churchill County, Nevada environmental records and permits

Churchill County, Nevada
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RCRA

Underground Storage Tank Requirements

40 CFR Part 280

Technical standards for underground storage tanks containing petroleum or hazardous substances.

Effective: Sep 22, 1988
UST, underground storage tank
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Clean Air Act

New Source Performance Standards

40 CFR Part 60

Technology-based emission standards for new, modified, and reconstructed stationary sources under the Clean Air Act.

Effective: Dec 23, 1971
NSPS, Clean Air Act
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Clean Water Act

NPDES Permit Program

40 CFR Part 122

Establishes the NPDES permit program for regulating point source discharges to U.S. waters.

Effective: Oct 18, 1972
NPDES, Clean Water Act
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RCRA

Hazardous Waste Identification

40 CFR Part 261

Defines the criteria for identifying hazardous waste under RCRA, including listed and characteristic wastes.

Effective: Nov 19, 1980
hazardous waste, RCRA
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CERCLA

CERCLA Liability Framework

42 U.S.C. § 9607

Establishes the liability framework for hazardous substance cleanup under CERCLA/Superfund.

Effective: Dec 11, 1980
CERCLA, Superfund
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NEPA

National Environmental Policy Act Requirements

40 CFR Parts 1500-1508

Establishes environmental review requirements for federal agency actions under NEPA.

Effective: Jan 1, 1970
NEPA, environmental impact statement
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